<%@page import="school.entity.Student"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
  	Student _u=(Student)session.getAttribute("USER_LOGIN");
  	if(_u==null){
  		out.print("<script>alert('您还没有登录，滚');location.replace('login.jsp');</script>");
  		return;//!!!!!!!!!!!!!!!
  	}
%>
    <h1>欢迎你 <%=_u.getSname()%> <a href="logout.jsp">退出</a></h1>